Digestive disease as a national problem. VII. The state of our knowledge of representative diseases.
D001660:Biliary Tract Diseases / Q000453:epidemiology*; D002769:Cholelithiasis / Q000453:epidemiology; D003093:Colitis, Ulcerative / Q000453:epidemiology; D003110:Colonic Neoplasms / Q000453:epidemiology; D003967:Diarrhea / Q000453:epidemiology; D005767:Gastrointestinal Diseases / Q000453:epidemiology*; D006505:Hepatitis / Q000453:epidemiology; D006801:Humans; D008103:Liver Cirrhosis / Q000453:epidemiology; D008286:Malabsorption Syndromes / Q000453:epidemiology; D010437:Peptic Ulcer / Q000453:epidemiology; D014481:United States